CN100593664C - Focusing component for stage projector lamp - Google Patents
Focusing component for stage projector lamp Download PDFInfo
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- CN100593664C CN100593664C CN200810057643A CN200810057643A CN100593664C CN 100593664 C CN100593664 C CN 100593664C CN 200810057643 A CN200810057643 A CN 200810057643A CN 200810057643 A CN200810057643 A CN 200810057643A CN 100593664 C CN100593664 C CN 100593664C
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Abstract
The invention relates to a focusing component used for stage spotlights, comprising a light source component, a reflective bowl component, a sliding seat panel, a lead screw and a slide bar, the lightsource component and the reflective bowl component are fixed on the slide seat panel respectively, protrusive side panels 9, 10, 11, 12 and 13 are arranged on the edge of the slide seat panel, the side panel 9 and the side panel 10 are symmetrical, the side panel 11 and the side panel 12 are symmetrical; a sliding block is fixedly connected on the inside of the side panel 13 and a chute which isfitted with the propulsion screw on the lead screw is arranged on the sliding block; two big guide sleeves are symmetrically fixedly connected on the side panel 1 and the side panel 2, the inner diameter of two guide sleeves is equal to external diameter of the lead screw, two small guide sleeves are symmetrically fixedly connected on the side panel 3 and the side panel 4, the inner diameter of the two small guide sleeves is equal to the external diameter of the lead screw and the distance between the axial center of the two big guide sleeves and the slide seat panel is equal to the distance between the axial center of the two small guide sleeves and the slide seat panel; the lead screw goes through the two big guide sleeves and the slide bar goes through the two small guide sleeves. The focusing component used for stage spotlights has the advantages of enabling the stage spotlight focusing system to position accurately and prolonging the service life of the bulb.
Description
Technical field
The present invention relates to the stage projector technical field, relate in particular to a kind of focusing component for stage projector lamp.
Background technology
Stage projector is a kind of light fixture that is used for stage illumination, lighting.Focusing component for stage projector lamp comprises light source assembly and the reflector assembly that is fixed on the sliding base plate, and promotes leading screw and slide bar that sliding base plate is advanced.In traditional focusing component for stage projector lamp, on the biside plate of sliding base plate left and right sides projection, open two perforation respectively, make leading screw and slide bar pass two holes respectively.During focusing, the rotational lead screw hand is turned round, and sliding base plate drive light source assembly and reflector component synchronization are moved, thereby realizes the focusing function.But, because the gap is big between perforation and leading screw and the slide bar, during focusing, leading screw rotates and can produce outside the noise, make that also sliding base plate unbalance stress, idle stroke in moving process are big, cause that light source assembly tilts in the focusing process, vibration, thereby cause following situation to take place:
1, the bulb centralized positioning in the light source assembly is inaccurate, the accurate location of influence focusing;
2, vibrate under the bulb incandescent state, reduce bulb service life.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the invention provides a kind of accuracy that not only can improve the focusing location, simultaneously can also prolong bulb service life, eliminate when leading screw rotates and produce noise, and can improve the focusing component for stage projector lamp of Luminaire efficiency.
Technical scheme of the present invention is:
A kind of focusing component for stage projector lamp, comprise light source assembly, reflector assembly, sliding base plate, leading screw and slide bar, light source assembly and reflector assembly are separately fixed on the sliding base plate, the edge of sliding base plate is provided with side plate 9, side plate 10, side plate 11, side plate 12, the side plate 13 of projection, wherein, side plate 9 and side plate 10 symmetries, side plate 11 and side plate 12 symmetries; At the inboard affixed slide blocks of side plate 13, and this slide block is provided with the skewed slot that matches with propelling spiral on the leading screw; Affixed two the big fairleads of symmetry on side plate 9 and side plate 10, two big fairlead internal diameters equal described leading screw external diameter, affixed two the little fairleads of symmetry on side plate 11 and side plate 12, two little fairlead internal diameters equal the slide bar external diameter, the axial centre of two big fairleads is identical apart from the height of sliding base plate with the axial centre of two little fairleads, leading screw passes two big fairleads, and an end inserts the corresponding aperture of support, and the other end is turned round by hand and is fixed on the bottom plate; Slide bar passes two little fairleads, and an end inserts the corresponding aperture of support, and the other end is fixed on the bottom plate with screw.
Wherein, the propelling spiral on the described leading screw adopts the coarse pitch steel wire, and the coarse pitch steel wire adopts stainless steel wire, lathe twines and has guaranteed the spiral precision, and the slide block that cooperates adopts aluminium block processing, no-float with it, no free clearance, no-idle running has guaranteed bigger fltting speed and accurate positioning.Eliminate idle stroke, guaranteed to advance, retreat the continuity of conversion.Eliminated the existing shortcoming of traditional condenser lamp focusing system.Cooperate the fairlead of usefulness to adopt the no gap of polytetrafluoroethylene (PTFE) cover to cooperate with pushing ram, wear-resisting firm.
Described two big fairlead length are 1.5 times of described spiral wire pitch.
The two ends of described slide bar are respectively equipped with prelocalization piece and back locating piece.
In light source assembly one side a small lens component is set, and is fixed on the sliding base plate, can together advance with sliding base plate.
In order to eliminate the leading screw axial float, locating piece is set on leading screw, preferably turn round setting near hand.
As seen from the above technical solution provided by the invention, the present invention has increased large and small fairlead and slide block in existing focusing component, slide block is provided with the skewed slot that matches with propelling spiral on the leading screw, the internal diameter of big fairlead equals the leading screw external diameter, when the rotational lead screw hand is turned round focusing, propelling spiral on the leading screw matches with the skewed slot on the slide block, slide bar passes little fairlead, leading screw rotates in big fairlead, reduce the gap between sliding base plate and leading screw and the slide bar greatly, effectively eliminated the sound that produces when leading screw rotates.The present invention adopts bar location, and bar focusing makes system's accurate positioning to have guaranteed that simultaneously sliding base plate is stressed even in moving process, and no-idle running is advanced steadily, has effectively avoided light source assembly inclination, vibration, has guaranteed that the light fixture optical field distribution is even.
The invention has the beneficial effects as follows:
1, the bulb centralized positioning in the light source assembly is accurate, thereby has guaranteed the accurate location of focusing;
2, bulb service life prolongs, and is not only easy to operate, safe and reliable but also reduce cost;
3, eliminated the noise that produces when leading screw rotates;
4, the lenslet of focusing system setting has increased wrapping angle, and the brightness ratio of lamp is doubled with the constant power spotlight, and light utilization efficiency improves, energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of focusing component for stage projector lamp;
The plan structure schematic diagram of Fig. 2 focusing component for stage projector lamp;
Fig. 3 is the plan structure schematic diagram of sliding base plate in the focusing component for stage projector lamp;
Fig. 4 is the main TV structure schematic diagram of sliding base plate in the focusing component for stage projector lamp.
Among the figure: 1. light source assembly, 2. reflector assembly, 3. sliding base plate, 4. leading screw, 5. slide bar, the big fairlead of 6A, 6B., the little fairlead of 7A, 7B., 8. slide block, 9,10,11,12,13. side plates, 14. bottom plate, 15. supports, 16. hands are turned round, 17. screw, 18. prelocalization pieces, 19. back locating pieces, 20. locating piece, 21. small lens components, 22. steel wires.
The specific embodiment
For the present invention there being further understanding, focusing component for stage projector lamp of the present invention is described in detail below in conjunction with accompanying drawing.
As Fig. 1-Figure 4 shows that structural representation of the embodiment of the invention, focusing component for stage projector lamp provided by the invention, comprise light source assembly 1, reflector assembly 2, sliding base plate 3, leading screw 4, slide bar 5, two big fairlead 6A, 6B, two little fairlead 7A, 7B, slide block 8, bottom plate 14, support 15.Secured in parallel is on sliding base plate 3 respectively with reflector assembly 2 for light source assembly 1, and light source assembly 1 is in the left side, and reflector assembly 2 is on the right side.The left and right edges of sliding base plate 3 is respectively equipped with the side plate 9,11 and 10,12 of two projections, wherein, and the side plate 9 of left hand edge and side plate 10 symmetries of right hand edge, the side plate 11 of left hand edge and side plate 12 symmetries of right hand edge; Another edge of sliding base plate 3 also is provided with the side plate 13 of a projection; Slide block 8 is fixed in side plate 13 inboards by two screws, and slide block 8 is provided with the skewed slot that matches with propelling spiral on the leading screw 4; Affixed big fairlead 6A of symmetry and 6B on side plate 9 and side plate 10, two big fairlead 6A and 6B internal diameter equal leading screw 4 external diameters; Affixed little fairlead 7A of symmetry and 7B on side plate 11 and side plate 12, two little fairlead 7A and 7B internal diameter equal slide bar 5 external diameters, and the axial centre of big fairlead 6A and 6B is identical apart from the height of sliding base plate 3 with the axial centre of two little fairlead 7A and 7B.Leading screw 4 passes big fairlead 6A and 6B, and left end inserts the corresponding aperture of support 15, and right-hand member is turned round 16 by hand and is fixed on the bottom plate 14; Slide bar 5 passes little fairlead 7A and 7B, and left end inserts the corresponding aperture of support 15, and right-hand member is fixed on the bottom plate 14 with screw 17.
In order to guarantee effective rotational lead screw 4, guarantee to advance the precision of spiral, the propelling spiral on the leading screw 4 adopts coarse pitch stainless steel wire 22.Big fairlead 6A and 6B length are 1.5 times of spiral wire pitch.
In addition, can be respectively equipped with prelocalization piece 18 and back locating piece 19 at the left end and the right-hand member of slide bar 5, such as, adopt jackscrew that prelocalization piece 18 and back locating piece 19 are individually fixed in slide bar 5, so just can control sliding base plate 3 and drive the range that light source assembly 1 is advanced on leading screw 4, stop when promptly walking to prelocalization piece 18 farthest forward, stop when walking to back locating piece 19 backward.
Because the present invention increased large and small fairlead and slide block 8 in focusing component, when the rotational lead screw hand was turned round 16 focusing, spiral wire 22 matched with skewed slot on the slide block 8, make leading screw 4 rotate in big fairlead, thereby promotion sliding base plate 3 is advanced.The slide block 8 that has the skewed slot that matches with steel wire, and the large and small fairlead that plays fixation have reduced the gap between sliding base plate 3 and leading screw and the slide bar greatly, have effectively eliminated the noise that produces when leading screw 4 rotates.The present invention adopts bar location, and bar focusing makes system's accurate positioning; Guaranteed that simultaneously sliding base plate 3 is stressed even in moving process, no-idle running is advanced steadily, has effectively avoided light source assembly inclination, vibration, has guaranteed that the light fixture optical field distribution is even.Therefore, the present invention has guaranteed that not only the bulb centralized positioning in the light source assembly is accurate, has improved the accuracy of focusing greatly; And prolonged bulb service life, and avoided the inconvenience that more changes the bulb and bring, simultaneously, this device is safe and reliable and saved cost.Even quick rotation leading screw, sliding base plate also can drive light source assembly and steadily advance.
In order to improve the service efficiency of stage projector, energy savings, can also (i.e. left side) small lens component 21 be set in light source assembly 1 the place ahead on the basis of technique scheme, this small lens component is fixed on the sliding base plate 3, can together advance with sliding base plate.
In order to eliminate leading screw 4 axial floats, locating piece 20 is set on leading screw 4, preferably turn round 16 and be provided with near hand.
In sum, focusing component for stage projector lamp provided by the invention adopts bar location, and bar focusing makes system's accurate positioning; Focusing system advances stressed even, and friction does not have inclination, has guaranteed that the light fixture optical field distribution is even, prolongs bulb life.Therefore, the present invention is easy to operate, and is safe and reliable, saves cost, has market prospects preferably.
Claims (6)
1, a kind of focusing component for stage projector lamp, comprise light source assembly (1), reflector assembly (2), sliding base plate (3), leading screw (4) and slide bar (5), described light source assembly (1) is separately fixed on the sliding base plate (3) with reflector assembly (2), it is characterized in that: the edge of described sliding base plate (3) is provided with first side plate (9), second side plate (10), the 3rd side plate (11), the 4th side plate (12), the 5th side plate (13) of projection, first side plate (9) and second side plate (10) symmetry, the 3rd side plate (11) and the 4th side plate (12) symmetry; At the inboard affixed slide block (8) of the 5th side plate (13), and this slide block (8) is provided with the skewed slot that matches with propelling spiral on the described leading screw (4); Go up symmetry affixed two big fairleads (6A) and (6B) at first side plate (9) and second side plate (10), two big fairleads (6A) and (6B) internal diameter equal described leading screw (4) external diameter, go up symmetry affixed two little fairleads (7A) and (7B) at the 3rd side plate (11) and the 4th side plate (12), two little fairleads (7A) and (7B) internal diameter equal described slide bar (5) external diameter, the axial centre of two big fairleads is identical apart from the height of sliding base plate (3) with the axial centre of two little fairleads, described leading screw (4) passes two big fairleads (6A) and (6B), one end inserts the corresponding aperture of support (15), and the other end is turned round (16) by hand and is fixed on the bottom plate (14); Described slide bar (5) passes two little fairleads (7A) and (7B), and an end inserts the corresponding aperture of support (15), and the other end is fixed on the bottom plate (14) with screw (17).
2, focusing component for stage projector lamp according to claim 1 is characterized in that: the propelling spiral on the described leading screw (4) adopts spiral wire.
3, focusing component for stage projector lamp according to claim 2 is characterized in that: described two big fairleads (6A) and (6B) length be 1.5 times of described spiral wire pitch.
4, focusing component for stage projector lamp according to claim 1 is characterized in that: the two ends of described slide bar (5) are respectively equipped with prelocalization piece (18) and back locating piece (19).
5, focusing component for stage projector lamp according to claim 1 is characterized in that: this focusing component is provided with a small lens component (21), and this small lens component (21) is located at described light source assembly (1) one side, and is fixed on the described sliding base plate (3).
6, according to claim 1,2 or 3 described focusing component for stage projector lamp, it is characterized in that: described leading screw (4) is provided with locating piece (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810057643A CN100593664C (en) | 2008-02-04 | 2008-02-04 | Focusing component for stage projector lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810057643A CN100593664C (en) | 2008-02-04 | 2008-02-04 | Focusing component for stage projector lamp |
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| Publication Number | Publication Date |
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| CN101225943A CN101225943A (en) | 2008-07-23 |
| CN100593664C true CN100593664C (en) | 2010-03-10 |
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| CN200810057643A Active CN100593664C (en) | 2008-02-04 | 2008-02-04 | Focusing component for stage projector lamp |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832524B (en) * | 2009-03-13 | 2013-04-17 | 海洋王照明科技股份有限公司 | Focus control device of lighting assembly |
| CN102242907B (en) * | 2011-04-12 | 2013-01-30 | 广州彩熠灯光有限公司 | Focusing and zooming system for stage lamps |
| RU2518911C2 (en) * | 2012-09-25 | 2014-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный технический университет имени Н.Э. Баумана" (МГТУ им. Н.Э. Баумана) | Method for focusing spotlight with discharge lamp |
| ES2544206B1 (en) * | 2014-02-27 | 2016-06-01 | Universitat Politècnica De Catalunya | Mobile device suspended from the ceiling to place the digital projector in a movie theater |
| CN115560303B (en) * | 2022-12-07 | 2023-03-24 | 泉州市匝道科技有限公司 | Angle-adjustable automobile working lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073078U (en) * | 1990-07-11 | 1991-03-13 | 徐淞玖 | Quick adjustable prefocus disc lamp frame with signal display |
| CN2114463U (en) * | 1991-09-23 | 1992-09-02 | 张仲海 | Infusion particle detector |
| CN2221712Y (en) * | 1995-05-25 | 1996-03-06 | 沈伟宏 | Rail-type holding attaching mechanism |
| CN2754078Y (en) * | 2004-11-16 | 2006-01-25 | 上海晨兴电子科技有限公司 | Operating table for chrominance, brightness, colour temperature and contrast ratio measurement |
| CN1959024A (en) * | 2006-09-06 | 2007-05-09 | 张慕贞 | Track type moveable light steel keel |
| CN201047552Y (en) * | 2007-05-22 | 2008-04-16 | 北京星光影视设备科技股份有限公司 | Stage projector lamp focusing component |
-
2008
- 2008-02-04 CN CN200810057643A patent/CN100593664C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073078U (en) * | 1990-07-11 | 1991-03-13 | 徐淞玖 | Quick adjustable prefocus disc lamp frame with signal display |
| CN2114463U (en) * | 1991-09-23 | 1992-09-02 | 张仲海 | Infusion particle detector |
| CN2221712Y (en) * | 1995-05-25 | 1996-03-06 | 沈伟宏 | Rail-type holding attaching mechanism |
| CN2754078Y (en) * | 2004-11-16 | 2006-01-25 | 上海晨兴电子科技有限公司 | Operating table for chrominance, brightness, colour temperature and contrast ratio measurement |
| CN1959024A (en) * | 2006-09-06 | 2007-05-09 | 张慕贞 | Track type moveable light steel keel |
| CN201047552Y (en) * | 2007-05-22 | 2008-04-16 | 北京星光影视设备科技股份有限公司 | Stage projector lamp focusing component |
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| CN101225943A (en) | 2008-07-23 |
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